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Semaphore vrs Event Bits

Question asked by spflanze on Sep 3, 2012
Latest reply on Sep 5, 2012 by spflanze

I have three threads that need to synchronize with a ISR callback. The callback posts and the three threads need to pend on that same post. The callback can be called at rate as high as 200kHz.


I need to know whether usage of Semaphore or Event Bits will have the fastest response time and consume the fewest system resources.


I also need to know if the 31 event bits reside totally RAM memory and calculations are done in VDK software, or if the processor has an Event Bit register and the calculations are done in processor logic hardware.